Compound Neomycin Sulfate Eye Drops works as anti-allergic, immunosuppressive, anti-inflammatory and antibacterial, and is mostly used in the treatment of acute or chronic conjunctivitis, scleritis, iritis, keratitis and other diseases in clinical practice. Compound Neomycin Sulfate Eye Drops is a kind of compound preparation, the components include Dexamethasone Phosphate Sodium and Neomycin Sulfate, the former of which is a glucocorticoid drug with anti-allergic, immunosuppressive and anti-inflammatory effects, and the latter of which is an aminoglycoside antibiotic, with obvious bacteriostatic effects on Staphylococcus spp., Escherichia coli, Klebsiella spp. and so on. It should be noted that the use of compound neomycin sulfate eye drops is prohibited for those who are allergic to any of the components of this drug, patients with fungal corneal ulcers, and patients with herpes simplex viral keratitis, and patients using this drug for a long period of time may experience cataracts, fungal blepharitis, glaucoma and other adverse reactions, which should be promptly referred to a doctor for medical treatment. Patients should follow the doctor’s instructions to use compound neomycin sulfate eye drops, avoid blindly using their own medication, so as not to affect the condition.